महाभारतः mahābhārataḥ - book-3, chapter-149, verse-21

तद्गच्छ विपुलप्रज्ञ भ्रातुः प्रियहिते रतः ।
अरिष्टं क्षेममध्वानं वायुना परिरक्षितः ॥२१॥

21. tadgaccha vipulaprajña bhrātuḥ priyahite rataḥ ,
ariṣṭaṁ kṣemamadhvānaṁ vāyunā parirakṣitaḥ.

21. tat gaccha vipulaprajña bhrātuḥ priyahite rataḥ
ariṣṭam kṣemam adhvānam vāyunā parirakṣitaḥ

21. Therefore, O greatly wise one, devoted to your brother's well-being, go forth on a safe and unimpeded path, well-protected by the wind god.

Words meanings summery:

• तत् (tat) - therefore (therefore, that)

• गच्छ (gaccha) - go (go, proceed)

• विपुलप्रज्ञ (vipulaprajña) - O greatly wise one (O one of vast wisdom, O greatly wise one)

• भ्रातुः (bhrātuḥ) - of your brother (of the brother)

• प्रियहिते (priyahite) - in the welfare (of your brother) (in what is dear and beneficial, in welfare, in his good)

• रतः (rataḥ) - devoted to (engaged in, devoted to, pleased with)

• अरिष्टम् (ariṣṭam) - unimpeded (unimpeded, uninjured, auspicious)

• क्षेमम् (kṣemam) - safe (safe, secure, prosperous)

• अध्वानम् (adhvānam) - path (path, road, journey)

• वायुना (vāyunā) - by the wind god (by the wind, by the wind god)

• परिरक्षितः (parirakṣitaḥ) - well-protected (well-protected, completely guarded)

Words meanings and morphology

तत् (tat) - therefore (therefore, that)

(indeclinable)

गच्छ (gaccha) - go (go, proceed)

(verb)

2nd person , singular, active, imperative (loṭ) of gam

Imperative

2nd person singular, active voice

Root: gam (class 1)

विपुलप्रज्ञ (vipulaprajña) - O greatly wise one (O one of vast wisdom, O greatly wise one)

(adjective)

Vocative, masculine, singular of vipulaprajña

vipulaprajña - one with great wisdom, greatly wise

Compound type : bahuvrihi (vipula+prajñā)

• vipula – vast, extensive, large
  adjective (masculine)
• prajñā – wisdom, knowledge, intelligence
  noun (feminine)

भ्रातुः (bhrātuḥ) - of your brother (of the brother)

(noun)

Genitive, masculine, singular of bhrātṛ

bhrātṛ - brother

प्रियहिते (priyahite) - in the welfare (of your brother) (in what is dear and beneficial, in welfare, in his good)

(noun)

Locative, neuter, singular of priyahita

priyahita - dear and beneficial, welfare, good

Compound type : tatpurusha (priya+hita)

• priya – dear, beloved
  adjective (neuter)
• hita – beneficial, welfare, good
  adjective (neuter)
  Past Passive Participle
  from root dhā
  Root: dhā (class 3)

रतः (rataḥ) - devoted to (engaged in, devoted to, pleased with)

(adjective)

Nominative, masculine, singular of rata

rata - engaged, devoted, pleased

Past Passive Participle

from root ram

Root: ram (class 1)

अरिष्टम् (ariṣṭam) - unimpeded (unimpeded, uninjured, auspicious)

(adjective)

Accusative, neuter, singular of ariṣṭa

ariṣṭa - unimpeded, safe, auspicious

क्षेमम् (kṣemam) - safe (safe, secure, prosperous)

(adjective)

Accusative, neuter, singular of kṣema

kṣema - safety, security, well-being

अध्वानम् (adhvānam) - path (path, road, journey)

(noun)

Accusative, masculine, singular of adhvan

adhvan - path, road, journey

वायुना (vāyunā) - by the wind god (by the wind, by the wind god)

(noun)

Instrumental, masculine, singular of vāyu

vāyu - wind, air, wind god

परिरक्षितः (parirakṣitaḥ) - well-protected (well-protected, completely guarded)

(adjective)

Nominative, masculine, singular of parirakṣita

parirakṣita - well-protected, completely guarded

Past Passive Participle

from root rakṣ with prefix pari

Prefix: pari

Root: rakṣ (class 1)